| 摘要 |
PURPOSE:To prevent reuse of a used film cassette in advance, by providing an engaging member on the opening of a fitting hole provided to fit to the guide shaft of a cassette container in either of a film feeding part or a film winding part. CONSTITUTION:An unused film 2 is wound in a film container 9, and a fitting hole 10 is provided in the direction of film winding shaft almost in the center of a film feeding part 3. An engaging part 11 having a stepped part 11a larger in inside diameter than that of the hole 10 is provided on the opening of the hole 10. A misinsertion preventing member 13 slidable in the inside of the hole 10 is inserted at the innermost end of the hole 10, thus permitting the member 13 to be engaged with the part 11 and fixed to it and at the same time a seal ''used'' to be indicated when a used cassette is taken out of a containing chamber 18, therefore, reuse of the used film cassette to be prevented in advance. |
